1 /*****************************************************************************/
4 * istallion.c -- stallion intelligent multiport serial driver.
6 * Copyright (c) 1994-1998 Greg Ungerer (gerg@stallion.oz.au).
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Greg Ungerer.
20 * 4. Neither the name of the author nor the names of any co-contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * $FreeBSD: src/sys/i386/isa/istallion.c,v 1.36.2.2 2001/08/30 12:29:57 murray Exp $
37 * $DragonFly: src/sys/dev/serial/stli/istallion.c,v 1.13 2004/09/18 20:02:38 dillon Exp $
40 /*****************************************************************************/
42 #include "opt_compat.h"
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/malloc.h>
53 #include <sys/fcntl.h>
55 #include <machine/clock.h>
58 #include <bus/isa/i386/isa_device.h>
59 #include <machine/cdk.h>
60 #include <machine/comstats.h>
64 /*****************************************************************************/
67 * Define the version level of the kernel - so we can compile in the
68 * appropriate bits of code. By default this will compile for a 2.1
79 /*****************************************************************************/
82 * Define different board types. Not all of the following board types
83 * are supported by this driver. But I will use the standard "assigned"
84 * board numbers. Currently supported boards are abbreviated as:
85 * ECP = EasyConnection 8/64, ONB = ONboard, BBY = Brumby and
89 #define BRD_STALLION 1
91 #define BRD_ONBOARD2 3
94 #define BRD_BRUMBY16 6
95 #define BRD_ONBOARDE 7
96 #define BRD_ONBOARD32 9
97 #define BRD_ONBOARD2_32 10
98 #define BRD_ONBOARDRS 11
105 #define BRD_ECHPCI 26
106 #define BRD_ECH64PCI 27
107 #define BRD_EASYIOPCI 28
109 #define BRD_BRUMBY BRD_BRUMBY4
111 /*****************************************************************************/
114 * Define important driver limitations.
116 #define STL_MAXBRDS 8
117 #define STL_MAXPANELS 4
118 #define STL_PORTSPERPANEL 16
119 #define STL_PORTSPERBRD 64
121 #define STL_MAXCHANS STL_PORTSPERBRD
125 * Define the important minor number break down bits. These have been
126 * chosen to be "compatible" with the standard sio driver minor numbers.
127 * Extra high bits are used to distinguish between boards and also for
128 * really high port numbers (> 32).
130 #define STL_CALLOUTDEV 0x80
131 #define STL_CTRLLOCK 0x40
132 #define STL_CTRLINIT 0x20
133 #define STL_CTRLDEV (STL_CTRLLOCK | STL_CTRLINIT)
135 #define STL_MEMDEV 0x07000000
137 #define STL_DEFSPEED TTYDEF_SPEED
138 #define STL_DEFCFLAG (CS8 | CREAD | HUPCL)
140 /*****************************************************************************/
143 * Define our local driver identity first. Set up stuff to deal with
144 * all the local structures required by a serial tty driver.
146 static char stli_drvname[] = "stli";
147 static char const stli_drvtitle[] = "Stallion Multiport Serial Driver";
148 static char const stli_drvversion[] = "2.0.0";
150 static int stli_nrbrds = 0;
151 static int stli_doingtimeout = 0;
154 * Define some macros to use to class define boards.
161 static unsigned char stli_stliprobed[STL_MAXBRDS];
163 /*****************************************************************************/
166 * Define a set of structures to hold all the board/panel/port info
167 * for our ports. These will be dynamically allocated as required at
168 * driver initialization time.
172 * Port and board structures to hold status info about each object.
173 * The board structure contains pointers to structures for each port
174 * connected to it. Panels are not distinguished here, since
175 * communication with the slave board will always be on a per port
195 struct termios initintios;
196 struct termios initouttios;
197 struct termios lockintios;
198 struct termios lockouttios;
199 struct timeval timestamp;
202 unsigned long rxlost;
203 unsigned long rxoffset;
204 unsigned long txoffset;
208 unsigned char reqidx;
209 unsigned char reqbit;
210 unsigned char portidx;
211 unsigned char portbit;
215 * Use a structure of function pointers to do board level operations.
216 * These include, enable/disable, paging shared memory, interrupting, etc.
218 typedef struct stlibrd {
235 void (*init)(struct stlibrd *brdp);
236 void (*enable)(struct stlibrd *brdp);
237 void (*reenable)(struct stlibrd *brdp);
238 void (*disable)(struct stlibrd *brdp);
239 void (*intr)(struct stlibrd *brdp);
240 void (*reset)(struct stlibrd *brdp);
241 char *(*getmemptr)(struct stlibrd *brdp,
242 unsigned long offset, int line);
243 int panels[STL_MAXPANELS];
244 int panelids[STL_MAXPANELS];
245 stliport_t *ports[STL_PORTSPERBRD];
248 static stlibrd_t *stli_brds[STL_MAXBRDS];
250 static int stli_shared = 0;
253 * Keep a local char buffer for processing chars into the LD. We
254 * do this to avoid copying from the boards shared memory one char
257 static int stli_rxtmplen;
258 static stliport_t *stli_rxtmpport;
259 static char stli_rxtmpbuf[TTYHOG];
262 * Define global stats structures. Not used often, and can be re-used
263 * for each stats call.
265 static comstats_t stli_comstats;
266 static combrd_t stli_brdstats;
267 static asystats_t stli_cdkstats;
270 * Per board state flags. Used with the state field of the board struct.
271 * Not really much here... All we need to do is keep track of whether
272 * the board has been detected, and whether it is actully running a slave
275 #define BST_FOUND 0x1
276 #define BST_STARTED 0x2
279 * Define the set of port state flags. These are marked for internal
280 * state purposes only, usually to do with the state of communications
281 * with the slave. They need to be updated atomically.
283 #define ST_INITIALIZING 0x1
284 #define ST_INITIALIZED 0x2
285 #define ST_OPENING 0x4
286 #define ST_CLOSING 0x8
287 #define ST_CMDING 0x10
288 #define ST_RXING 0x20
289 #define ST_TXBUSY 0x40
290 #define ST_DOFLUSHRX 0x80
291 #define ST_DOFLUSHTX 0x100
292 #define ST_DOSIGS 0x200
293 #define ST_GETSIGS 0x400
294 #define ST_DTRWAIT 0x800
297 * Define an array of board names as printable strings. Handy for
298 * referencing boards when printing trace and stuff.
300 static char *stli_brdnames[] = {
330 /*****************************************************************************/
333 * Hardware configuration info for ECP boards. These defines apply
334 * to the directly accessable io ports of the ECP. There is a set of
335 * defines for each ECP board type, ISA, EISA and MCA.
338 #define ECP_MEMSIZE (128 * 1024)
339 #define ECP_ATPAGESIZE (4 * 1024)
340 #define ECP_EIPAGESIZE (64 * 1024)
341 #define ECP_MCPAGESIZE (4 * 1024)
343 #define STL_EISAID 0x8c4e
346 * Important defines for the ISA class of ECP board.
349 #define ECP_ATCONFR 1
350 #define ECP_ATMEMAR 2
351 #define ECP_ATMEMPR 3
352 #define ECP_ATSTOP 0x1
353 #define ECP_ATINTENAB 0x10
354 #define ECP_ATENABLE 0x20
355 #define ECP_ATDISABLE 0x00
356 #define ECP_ATADDRMASK 0x3f000
357 #define ECP_ATADDRSHFT 12
360 * Important defines for the EISA class of ECP board.
363 #define ECP_EIMEMARL 1
364 #define ECP_EICONFR 2
365 #define ECP_EIMEMARH 3
366 #define ECP_EIENABLE 0x1
367 #define ECP_EIDISABLE 0x0
368 #define ECP_EISTOP 0x4
369 #define ECP_EIEDGE 0x00
370 #define ECP_EILEVEL 0x80
371 #define ECP_EIADDRMASKL 0x00ff0000
372 #define ECP_EIADDRSHFTL 16
373 #define ECP_EIADDRMASKH 0xff000000
374 #define ECP_EIADDRSHFTH 24
375 #define ECP_EIBRDENAB 0xc84
377 #define ECP_EISAID 0x4
380 * Important defines for the Micro-channel class of ECP board.
381 * (It has a lot in common with the ISA boards.)
384 #define ECP_MCCONFR 1
385 #define ECP_MCSTOP 0x20
386 #define ECP_MCENABLE 0x80
387 #define ECP_MCDISABLE 0x00
390 * Hardware configuration info for ONboard and Brumby boards. These
391 * defines apply to the directly accessable io ports of these boards.
393 #define ONB_IOSIZE 16
394 #define ONB_MEMSIZE (64 * 1024)
395 #define ONB_ATPAGESIZE (64 * 1024)
396 #define ONB_MCPAGESIZE (64 * 1024)
397 #define ONB_EIMEMSIZE (128 * 1024)
398 #define ONB_EIPAGESIZE (64 * 1024)
401 * Important defines for the ISA class of ONboard board.
404 #define ONB_ATMEMAR 1
405 #define ONB_ATCONFR 2
406 #define ONB_ATSTOP 0x4
407 #define ONB_ATENABLE 0x01
408 #define ONB_ATDISABLE 0x00
409 #define ONB_ATADDRMASK 0xff0000
410 #define ONB_ATADDRSHFT 16
412 #define ONB_HIMEMENAB 0x02
415 * Important defines for the EISA class of ONboard board.
418 #define ONB_EIMEMARL 1
419 #define ONB_EICONFR 2
420 #define ONB_EIMEMARH 3
421 #define ONB_EIENABLE 0x1
422 #define ONB_EIDISABLE 0x0
423 #define ONB_EISTOP 0x4
424 #define ONB_EIEDGE 0x00
425 #define ONB_EILEVEL 0x80
426 #define ONB_EIADDRMASKL 0x00ff0000
427 #define ONB_EIADDRSHFTL 16
428 #define ONB_EIADDRMASKH 0xff000000
429 #define ONB_EIADDRSHFTH 24
430 #define ONB_EIBRDENAB 0xc84
432 #define ONB_EISAID 0x1
435 * Important defines for the Brumby boards. They are pretty simple,
436 * there is not much that is programmably configurable.
438 #define BBY_IOSIZE 16
439 #define BBY_MEMSIZE (64 * 1024)
440 #define BBY_PAGESIZE (16 * 1024)
443 #define BBY_ATCONFR 1
444 #define BBY_ATSTOP 0x4
447 * Important defines for the Stallion boards. They are pretty simple,
448 * there is not much that is programmably configurable.
450 #define STAL_IOSIZE 16
451 #define STAL_MEMSIZE (64 * 1024)
452 #define STAL_PAGESIZE (64 * 1024)
455 * Define the set of status register values for EasyConnection panels.
456 * The signature will return with the status value for each panel. From
457 * this we can determine what is attached to the board - before we have
458 * actually down loaded any code to it.
460 #define ECH_PNLSTATUS 2
461 #define ECH_PNL16PORT 0x20
462 #define ECH_PNLIDMASK 0x07
463 #define ECH_PNLXPID 0x40
464 #define ECH_PNLINTRPEND 0x80
467 * Define some macros to do things to the board. Even those these boards
468 * are somewhat related there is often significantly different ways of
469 * doing some operation on it (like enable, paging, reset, etc). So each
470 * board class has a set of functions which do the commonly required
471 * operations. The macros below basically just call these functions,
472 * generally checking for a NULL function - which means that the board
473 * needs nothing done to it to achieve this operation!
475 #define EBRDINIT(brdp) \
476 if (brdp->init != NULL) \
479 #define EBRDENABLE(brdp) \
480 if (brdp->enable != NULL) \
481 (* brdp->enable)(brdp);
483 #define EBRDDISABLE(brdp) \
484 if (brdp->disable != NULL) \
485 (* brdp->disable)(brdp);
487 #define EBRDINTR(brdp) \
488 if (brdp->intr != NULL) \
489 (* brdp->intr)(brdp);
491 #define EBRDRESET(brdp) \
492 if (brdp->reset != NULL) \
493 (* brdp->reset)(brdp);
495 #define EBRDGETMEMPTR(brdp,offset) \
496 (* brdp->getmemptr)(brdp, offset, __LINE__)
499 * Define the maximal baud rate.
501 #define STL_MAXBAUD 230400
503 /*****************************************************************************/
506 * Define macros to extract a brd and port number from a minor number.
507 * This uses the extended minor number range in the upper 2 bytes of
508 * the device number. This gives us plenty of minor numbers to play
511 #define MKDEV2BRD(m) ((minor(m) & 0x00700000) >> 20)
512 #define MKDEV2PORT(m) ((minor(m) & 0x1f) | ((minor(m) & 0x00010000) >> 11))
515 * Define some handy local macros...
518 #define MIN(a,b) (((a) <= (b)) ? (a) : (b))
521 /*****************************************************************************/
524 * Declare all those functions in this driver! First up is the set of
525 * externally visible functions.
527 static int stliprobe(struct isa_device *idp);
528 static int stliattach(struct isa_device *idp);
530 STATIC d_open_t stliopen;
531 STATIC d_close_t stliclose;
532 STATIC d_read_t stliread;
533 STATIC d_write_t stliwrite;
534 STATIC d_ioctl_t stliioctl;
537 * Internal function prototypes.
539 static stliport_t *stli_dev2port(dev_t dev);
540 static int stli_isaprobe(struct isa_device *idp);
541 static int stli_eisaprobe(struct isa_device *idp);
542 static int stli_mcaprobe(struct isa_device *idp);
543 static int stli_brdinit(stlibrd_t *brdp);
544 static int stli_brdattach(stlibrd_t *brdp);
545 static int stli_initecp(stlibrd_t *brdp);
546 static int stli_initonb(stlibrd_t *brdp);
547 static int stli_initports(stlibrd_t *brdp);
548 static int stli_startbrd(stlibrd_t *brdp);
549 static void stli_poll(void *arg);
550 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp);
551 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp);
552 static __inline void stli_dodelaycmd(stliport_t *portp,
553 volatile cdkctrl_t *cp);
554 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
555 static long stli_mktiocm(unsigned long sigvalue);
556 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp);
557 static void stli_flush(stliport_t *portp, int flag);
558 static void stli_start(struct tty *tp);
559 static void stli_stop(struct tty *tp, int rw);
560 static int stli_param(struct tty *tp, struct termios *tiosp);
561 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp);
562 static void stli_dtrwakeup(void *arg);
563 static int stli_initopen(stliport_t *portp);
564 static int stli_shutdownclose(stliport_t *portp);
565 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp,
566 unsigned long arg, int wait);
567 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp,
568 unsigned long arg, int wait);
569 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp,
570 unsigned long cmd, void *arg, int size, int copyback);
571 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp,
572 unsigned long cmd, void *arg, int size, int copyback);
573 static void stli_mkasyport(stliport_t *portp, asyport_t *pp,
574 struct termios *tiosp);
575 static int stli_memrw(dev_t dev, struct uio *uiop, int flag);
576 static int stli_memioctl(dev_t dev, unsigned long cmd, caddr_t data,
577 int flag, struct thread *td);
578 static int stli_getbrdstats(caddr_t data);
579 static int stli_getportstats(stliport_t *portp, caddr_t data);
580 static int stli_clrportstats(stliport_t *portp, caddr_t data);
581 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr);
583 static void stli_ecpinit(stlibrd_t *brdp);
584 static void stli_ecpenable(stlibrd_t *brdp);
585 static void stli_ecpdisable(stlibrd_t *brdp);
586 static void stli_ecpreset(stlibrd_t *brdp);
587 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset,
589 static void stli_ecpintr(stlibrd_t *brdp);
590 static void stli_ecpeiinit(stlibrd_t *brdp);
591 static void stli_ecpeienable(stlibrd_t *brdp);
592 static void stli_ecpeidisable(stlibrd_t *brdp);
593 static void stli_ecpeireset(stlibrd_t *brdp);
594 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset,
596 static void stli_ecpmcenable(stlibrd_t *brdp);
597 static void stli_ecpmcdisable(stlibrd_t *brdp);
598 static void stli_ecpmcreset(stlibrd_t *brdp);
599 static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset,
602 static void stli_onbinit(stlibrd_t *brdp);
603 static void stli_onbenable(stlibrd_t *brdp);
604 static void stli_onbdisable(stlibrd_t *brdp);
605 static void stli_onbreset(stlibrd_t *brdp);
606 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset,
608 static void stli_onbeinit(stlibrd_t *brdp);
609 static void stli_onbeenable(stlibrd_t *brdp);
610 static void stli_onbedisable(stlibrd_t *brdp);
611 static void stli_onbereset(stlibrd_t *brdp);
612 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset,
614 static void stli_bbyinit(stlibrd_t *brdp);
615 static void stli_bbyreset(stlibrd_t *brdp);
616 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset,
618 static void stli_stalinit(stlibrd_t *brdp);
619 static void stli_stalreset(stlibrd_t *brdp);
620 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset,
623 /*****************************************************************************/
626 * Declare the driver isa structure.
628 struct isa_driver stlidriver = {
629 stliprobe, stliattach, stli_drvname
632 /*****************************************************************************/
637 * FreeBSD-2.2+ kernel linkage.
640 #define CDEV_MAJOR 75
641 static struct cdevsw stli_cdevsw = {
642 /* name */ stli_drvname,
643 /* maj */ CDEV_MAJOR,
644 /* flags */ D_TTY | D_KQFILTER,
649 /* close */ stliclose,
651 /* write */ stliwrite,
652 /* ioctl */ stliioctl,
655 /* strategy */ nostrategy,
658 /* kqfilter */ ttykqfilter
663 /*****************************************************************************/
665 static stlibrd_t *stli_brdalloc(void)
669 brdp = malloc(sizeof(stlibrd_t), M_TTYS, M_WAITOK | M_ZERO);
673 /*****************************************************************************/
676 * Find an available internal board number (unit number). The problem
677 * is that the same unit numbers can be assigned to different class
678 * boards - but we only want to maintain one setup board structures.
681 static int stli_findfreeunit(void)
685 for (i = 0; (i < STL_MAXBRDS); i++)
686 if (stli_brds[i] == (stlibrd_t *) NULL)
688 return((i >= STL_MAXBRDS) ? -1 : i);
691 /*****************************************************************************/
694 * Try and determine the ISA board type. Hopefully the board
695 * configuration entry will help us out, using the flags field.
696 * If not, we may ne be able to determine the board type...
699 static int stli_isaprobe(struct isa_device *idp)
704 printf("stli_isaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
705 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
708 switch (idp->id_flags) {
716 btype = idp->id_flags;
725 /*****************************************************************************/
728 * Probe for an EISA board type. We should be able to read the EISA ID,
729 * that will tell us if a board is present or not...
732 static int stli_eisaprobe(struct isa_device *idp)
737 printf("stli_eisaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
738 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
742 * Firstly check if this is an EISA system. Do this by probing for
743 * the system board EISA ID. If this is not an EISA system then
744 * don't bother going any further!
747 if (inb(0xc80) == 0xff)
751 * Try and read the EISA ID from the board at specified address.
752 * If one is present it will tell us the board type as well.
754 outb((idp->id_iobase + 0xc80), 0xff);
755 eid = inb(idp->id_iobase + 0xc80);
756 eid |= inb(idp->id_iobase + 0xc81) << 8;
757 if (eid != STL_EISAID)
761 eid = inb(idp->id_iobase + 0xc82);
762 if (eid == ECP_EISAID)
764 else if (eid == ONB_EISAID)
765 btype = BRD_ONBOARDE;
767 outb((idp->id_iobase + 0xc84), 0x1);
771 /*****************************************************************************/
774 * Probe for an MCA board type. Not really sure how to do this yet,
775 * so for now just use the supplied flag specifier as board type...
778 static int stli_mcaprobe(struct isa_device *idp)
783 printf("stli_mcaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
784 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
787 switch (idp->id_flags) {
789 case BRD_ONBOARD2_32:
793 btype = idp->id_flags;
802 /*****************************************************************************/
805 * Probe for a board. This is involved, since we need to enable the
806 * shared memory region to see if the board is really there or not...
809 static int stliprobe(struct isa_device *idp)
815 printf("stliprobe(idp=%x): unit=%d iobase=%x flags=%x\n", (int) idp,
816 idp->id_unit, idp->id_iobase, idp->id_flags);
819 if (idp->id_unit > STL_MAXBRDS)
823 * First up determine what bus type of board we might be dealing
824 * with. It is easy to separate out the ISA from the EISA and MCA
825 * boards, based on their IO addresses. We may not be able to tell
826 * the EISA and MCA apart on IO address alone...
829 if ((idp->id_iobase > 0) && (idp->id_iobase < 0x400)) {
833 if ((idp->id_iobase >= 0x700) && (idp->id_iobase < 0x900))
836 if ((idp->id_iobase >= 0x7000) && (idp->id_iobase < 0x7400))
838 if ((idp->id_iobase >= 0x8000) && (idp->id_iobase < 0xc000))
840 /* EISA board range */
841 if ((idp->id_iobase & ~0xf000) == 0)
845 if ((bclass == 0) || (idp->id_iobase == 0))
849 * Based on the board bus type, try and figure out what it might be...
852 if (bclass & BRD_ISA)
853 btype = stli_isaprobe(idp);
854 if ((btype == 0) && (bclass & BRD_EISA))
855 btype = stli_eisaprobe(idp);
856 if ((btype == 0) && (bclass & BRD_MCA))
857 btype = stli_mcaprobe(idp);
862 * Go ahead and try probing for the shared memory region now.
863 * This way we will really know if the board is here...
865 if ((brdp = stli_brdalloc()) == (stlibrd_t *) NULL)
868 brdp->brdnr = stli_findfreeunit();
869 brdp->brdtype = btype;
870 brdp->unitid = idp->id_unit;
871 brdp->iobase = idp->id_iobase;
872 brdp->vaddr = idp->id_maddr;
873 brdp->paddr = vtophys(idp->id_maddr);
876 printf("%s(%d): btype=%x unit=%d brd=%d io=%x mem=%lx(%p)\n",
877 __file__, __LINE__, btype, brdp->unitid, brdp->brdnr,
878 brdp->iobase, brdp->paddr, (void *) brdp->vaddr);
881 stli_stliprobed[idp->id_unit] = brdp->brdnr;
883 if ((brdp->state & BST_FOUND) == 0) {
884 stli_brds[brdp->brdnr] = (stlibrd_t *) NULL;
891 /*****************************************************************************/
894 * Allocate resources for and initialize a board.
897 static int stliattach(struct isa_device *idp)
903 printf("stliattach(idp=%p): unit=%d iobase=%x\n", (void *) idp,
904 idp->id_unit, idp->id_iobase);
907 brdnr = stli_stliprobed[idp->id_unit];
908 brdp = stli_brds[brdnr];
909 if (brdp == (stlibrd_t *) NULL)
911 if (brdp->state & BST_FOUND)
912 stli_brdattach(brdp);
917 /*****************************************************************************/
919 STATIC int stliopen(dev_t dev, int flag, int mode, struct thread *td)
923 int error, callout, x;
926 printf("stliopen(dev=%x,flag=%x,mode=%x,p=%x)\n", (int) dev, flag,
931 * Firstly check if the supplied device number is a valid device.
933 if (minor(dev) & STL_MEMDEV)
936 portp = stli_dev2port(dev);
937 if (portp == (stliport_t *) NULL)
939 if (minor(dev) & STL_CTRLDEV)
943 callout = minor(dev) & STL_CALLOUTDEV;
950 * Wait here for the DTR drop timeout period to expire.
952 while (portp->state & ST_DTRWAIT) {
953 error = tsleep(&portp->dtrwait, PCATCH, "stlidtr", 0);
959 * If the port is in its raw hardware initialization phase, then
960 * hold up here 'till it is done.
962 while (portp->state & (ST_INITIALIZING | ST_CLOSING)) {
963 error = tsleep(&portp->state, PCATCH, "stliraw", 0);
969 * We have a valid device, so now we check if it is already open.
970 * If not then initialize the port hardware and set up the tty
971 * struct as required.
973 if ((tp->t_state & TS_ISOPEN) == 0) {
974 tp->t_oproc = stli_start;
975 tp->t_param = stli_param;
976 tp->t_stop = stli_stop;
978 tp->t_termios = callout ? portp->initouttios :
980 stli_initopen(portp);
981 wakeup(&portp->state);
983 if ((portp->sigs & TIOCM_CD) || callout)
984 (*linesw[tp->t_line].l_modem)(tp, 1);
987 if (portp->callout == 0) {
992 if (portp->callout != 0) {
993 if (flag & O_NONBLOCK) {
997 error = tsleep(&portp->callout,
998 PCATCH, "stlicall", 0);
1001 goto stliopen_restart;
1004 if ((tp->t_state & TS_XCLUDE) &&
1012 * If this port is not the callout device and we do not have carrier
1013 * then we need to sleep, waiting for it to be asserted.
1015 if (((tp->t_state & TS_CARR_ON) == 0) && !callout &&
1016 ((tp->t_cflag & CLOCAL) == 0) &&
1017 ((flag & O_NONBLOCK) == 0)) {
1019 error = tsleep(TSA_CARR_ON(tp), PCATCH, "stlidcd",0);
1023 goto stliopen_restart;
1027 * Open the line discipline.
1029 error = (*linesw[tp->t_line].l_open)(dev, tp);
1030 stli_ttyoptim(portp, &tp->t_termios);
1031 if ((tp->t_state & TS_ISOPEN) && callout)
1035 * If for any reason we get to here and the port is not actually
1036 * open then close of the physical hardware - no point leaving it
1037 * active when the open failed...
1041 if (((tp->t_state & TS_ISOPEN) == 0) && (portp->waitopens == 0))
1042 stli_shutdownclose(portp);
1047 /*****************************************************************************/
1049 STATIC int stliclose(dev_t dev, int flag, int mode, struct thread *td)
1056 printf("stliclose(dev=%s,flag=%x,mode=%x,p=%p)\n",
1057 devtoname(dev), flag, mode, (void *) p);
1060 if (minor(dev) & STL_MEMDEV)
1062 if (minor(dev) & STL_CTRLDEV)
1065 portp = stli_dev2port(dev);
1066 if (portp == (stliport_t *) NULL)
1071 (*linesw[tp->t_line].l_close)(tp, flag);
1072 stli_ttyoptim(portp, &tp->t_termios);
1073 stli_shutdownclose(portp);
1080 STATIC int stliread(dev_t dev, struct uio *uiop, int flag)
1085 printf("stliread(dev=%s,uiop=%p,flag=%x)\n", devtoname(dev),
1086 (void *) uiop, flag);
1089 if (minor(dev) & STL_MEMDEV)
1090 return(stli_memrw(dev, uiop, flag));
1091 if (minor(dev) & STL_CTRLDEV)
1094 portp = stli_dev2port(dev);
1095 if (portp == (stliport_t *) NULL)
1097 return ttyread(dev, uiop, flag);
1100 /*****************************************************************************/
1104 STATIC void stli_stop(struct tty *tp, int rw)
1107 printf("stli_stop(tp=%x,rw=%x)\n", (int) tp, rw);
1110 stli_flush((stliport_t *) tp, rw);
1115 STATIC int stlistop(struct tty *tp, int rw)
1118 printf("stlistop(tp=%x,rw=%x)\n", (int) tp, rw);
1121 stli_flush((stliport_t *) tp, rw);
1127 /*****************************************************************************/
1129 STATIC int stliwrite(dev_t dev, struct uio *uiop, int flag)
1134 printf("stliwrite(dev=%s,uiop=%p,flag=%x)\n", devtoname(dev),
1135 (void *) uiop, flag);
1138 if (minor(dev) & STL_MEMDEV)
1139 return(stli_memrw(dev, uiop, flag));
1140 if (minor(dev) & STL_CTRLDEV)
1142 portp = stli_dev2port(dev);
1143 if (portp == (stliport_t *) NULL)
1145 return ttywrite(dev, uiop, flag);
1148 /*****************************************************************************/
1150 STATIC int stliioctl(dev_t dev, unsigned long cmd, caddr_t data, int flag,
1153 struct termios *newtios, *localtios;
1161 printf("stliioctl(dev=%s,cmd=%lx,data=%p,flag=%x,p=%p)\n",
1162 devtoname(dev), cmd, (void *) data, flag, (void *) p);
1165 if (minor(dev) & STL_MEMDEV)
1166 return(stli_memioctl(dev, cmd, data, flag, td));
1168 portp = stli_dev2port(dev);
1169 if (portp == (stliport_t *) NULL)
1171 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1177 * First up handle ioctls on the control devices.
1179 if (minor(dev) & STL_CTRLDEV) {
1180 if ((minor(dev) & STL_CTRLDEV) == STL_CTRLINIT)
1181 localtios = (minor(dev) & STL_CALLOUTDEV) ?
1182 &portp->initouttios : &portp->initintios;
1183 else if ((minor(dev) & STL_CTRLDEV) == STL_CTRLLOCK)
1184 localtios = (minor(dev) & STL_CALLOUTDEV) ?
1185 &portp->lockouttios : &portp->lockintios;
1191 if ((error = suser(td)) == 0)
1192 *localtios = *((struct termios *) data);
1195 *((struct termios *) data) = *localtios;
1198 *((int *) data) = TTYDISC;
1201 bzero(data, sizeof(struct winsize));
1211 * Deal with 4.3 compatibility issues if we have too...
1213 #if defined(COMPAT_43) || defined(COMPAT_SUNOS)
1215 struct termios tios;
1216 unsigned long oldcmd;
1218 tios = tp->t_termios;
1220 if ((error = ttsetcompat(tp, &cmd, data, &tios)))
1223 data = (caddr_t) &tios;
1228 * Carry out some pre-cmd processing work first...
1229 * Hmmm, not so sure we want this, disable for now...
1231 if ((cmd == TIOCSETA) || (cmd == TIOCSETAW) || (cmd == TIOCSETAF)) {
1232 newtios = (struct termios *) data;
1233 localtios = (minor(dev) & STL_CALLOUTDEV) ? &portp->lockouttios :
1236 newtios->c_iflag = (tp->t_iflag & localtios->c_iflag) |
1237 (newtios->c_iflag & ~localtios->c_iflag);
1238 newtios->c_oflag = (tp->t_oflag & localtios->c_oflag) |
1239 (newtios->c_oflag & ~localtios->c_oflag);
1240 newtios->c_cflag = (tp->t_cflag & localtios->c_cflag) |
1241 (newtios->c_cflag & ~localtios->c_cflag);
1242 newtios->c_lflag = (tp->t_lflag & localtios->c_lflag) |
1243 (newtios->c_lflag & ~localtios->c_lflag);
1244 for (i = 0; (i < NCCS); i++) {
1245 if (localtios->c_cc[i] != 0)
1246 newtios->c_cc[i] = tp->t_cc[i];
1248 if (localtios->c_ispeed != 0)
1249 newtios->c_ispeed = tp->t_ispeed;
1250 if (localtios->c_ospeed != 0)
1251 newtios->c_ospeed = tp->t_ospeed;
1255 * Call the line discipline and the common command processing to
1256 * process this command (if they can).
1258 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td);
1259 if (error != ENOIOCTL)
1263 error = ttioctl(tp, cmd, data, flag);
1264 stli_ttyoptim(portp, &tp->t_termios);
1265 if (error != ENOIOCTL) {
1273 * Process local commands here. These are all commands that only we
1274 * can take care of (they all rely on actually doing something special
1275 * to the actual hardware).
1280 error = stli_cmdwait(brdp, portp, A_BREAK, &arg,
1281 sizeof(unsigned long), 0);
1285 error = stli_cmdwait(brdp, portp, A_BREAK, &arg,
1286 sizeof(unsigned long), 0);
1289 stli_mkasysigs(&portp->asig, 1, -1);
1290 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1291 sizeof(asysigs_t), 0);
1294 stli_mkasysigs(&portp->asig, 0, -1);
1295 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1296 sizeof(asysigs_t), 0);
1299 i = *((int *) data);
1300 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 1 : 0),
1301 ((i & TIOCM_RTS) ? 1 : 0));
1302 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1303 sizeof(asysigs_t), 0);
1306 i = *((int *) data);
1307 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 1 : -1),
1308 ((i & TIOCM_RTS) ? 1 : -1));
1309 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1310 sizeof(asysigs_t), 0);
1313 i = *((int *) data);
1314 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 0 : -1),
1315 ((i & TIOCM_RTS) ? 0 : -1));
1316 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1317 sizeof(asysigs_t), 0);
1320 if ((error = stli_cmdwait(brdp, portp, A_GETSIGNALS,
1321 &portp->asig, sizeof(asysigs_t), 1)) < 0)
1323 portp->sigs = stli_mktiocm(portp->asig.sigvalue);
1324 *((int *) data) = (portp->sigs | TIOCM_LE);
1327 if ((error = suser(td)) == 0)
1328 portp->dtrwait = *((int *) data) * hz / 100;
1331 *((int *) data) = portp->dtrwait * 100 / hz;
1334 portp->dotimestamp = 1;
1335 *((struct timeval *) data) = portp->timestamp;
1338 *((unsigned long *) data) = portp->pflag;
1341 portp->pflag = *((unsigned long *) data);
1342 stli_param(&portp->tty, &portp->tty.t_termios);
1353 /*****************************************************************************/
1356 * Convert the specified minor device number into a port struct
1357 * pointer. Return NULL if the device number is not a valid port.
1360 STATIC stliport_t *stli_dev2port(dev_t dev)
1364 brdp = stli_brds[MKDEV2BRD(dev)];
1365 if (brdp == (stlibrd_t *) NULL)
1366 return((stliport_t *) NULL);
1367 if ((brdp->state & BST_STARTED) == 0)
1368 return((stliport_t *) NULL);
1369 return(brdp->ports[MKDEV2PORT(dev)]);
1372 /*****************************************************************************/
1375 * Carry out first open operations on a port. This involves a number of
1376 * commands to be sent to the slave. We need to open the port, set the
1377 * notification events, set the initial port settings, get and set the
1378 * initial signal values. We sleep and wait in between each one. But
1379 * this still all happens pretty quickly.
1382 static int stli_initopen(stliport_t *portp)
1390 printf("stli_initopen(portp=%x)\n", (int) portp);
1393 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1395 if (portp->state & ST_INITIALIZED)
1397 portp->state |= ST_INITIALIZED;
1399 if ((rc = stli_rawopen(brdp, portp, 0, 1)) < 0)
1402 bzero(&nt, sizeof(asynotify_t));
1403 nt.data = (DT_TXLOW | DT_TXEMPTY | DT_RXBUSY | DT_RXBREAK);
1405 if ((rc = stli_cmdwait(brdp, portp, A_SETNOTIFY, &nt,
1406 sizeof(asynotify_t), 0)) < 0)
1409 stli_mkasyport(portp, &aport, &portp->tty.t_termios);
1410 if ((rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport,
1411 sizeof(asyport_t), 0)) < 0)
1414 portp->state |= ST_GETSIGS;
1415 if ((rc = stli_cmdwait(brdp, portp, A_GETSIGNALS, &portp->asig,
1416 sizeof(asysigs_t), 1)) < 0)
1418 if (portp->state & ST_GETSIGS) {
1419 portp->sigs = stli_mktiocm(portp->asig.sigvalue);
1420 portp->state &= ~ST_GETSIGS;
1423 stli_mkasysigs(&portp->asig, 1, 1);
1424 if ((rc = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1425 sizeof(asysigs_t), 0)) < 0)
1431 /*****************************************************************************/
1434 * Shutdown the hardware of a port.
1437 static int stli_shutdownclose(stliport_t *portp)
1444 printf("stli_shutdownclose(portp=%p): brdnr=%d panelnr=%d portnr=%d\n",
1445 (void *) portp, portp->brdnr, portp->panelnr, portp->portnr);
1448 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1452 stli_rawclose(brdp, portp, 0, 0);
1453 stli_flush(portp, (FWRITE | FREAD));
1454 if (tp->t_cflag & HUPCL) {
1456 stli_mkasysigs(&portp->asig, 0, 0);
1457 if (portp->state & ST_CMDING) {
1458 portp->state |= ST_DOSIGS;
1460 stli_sendcmd(brdp, portp, A_SETSIGNALS,
1461 &portp->asig, sizeof(asysigs_t), 0);
1464 if (portp->dtrwait != 0) {
1465 portp->state |= ST_DTRWAIT;
1466 timeout(stli_dtrwakeup, portp, portp->dtrwait);
1470 portp->state &= ~ST_INITIALIZED;
1471 wakeup(&portp->callout);
1472 wakeup(TSA_CARR_ON(tp));
1476 /*****************************************************************************/
1479 * Clear the DTR waiting flag, and wake up any sleepers waiting for
1480 * DTR wait period to finish.
1483 static void stli_dtrwakeup(void *arg)
1487 portp = (stliport_t *) arg;
1488 portp->state &= ~ST_DTRWAIT;
1489 wakeup(&portp->dtrwait);
1492 /*****************************************************************************/
1495 * Send an open message to the slave. This will sleep waiting for the
1496 * acknowledgement, so must have user context. We need to co-ordinate
1497 * with close events here, since we don't want open and close events
1501 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1503 volatile cdkhdr_t *hdrp;
1504 volatile cdkctrl_t *cp;
1505 volatile unsigned char *bits;
1509 printf("stli_rawopen(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1510 (int) portp, (int) arg, wait);
1516 * Slave is already closing this port. This can happen if a hangup
1517 * occurs on this port. So we must wait until it is complete. The
1518 * order of opens and closes may not be preserved across shared
1519 * memory, so we must wait until it is complete.
1521 while (portp->state & ST_CLOSING) {
1522 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1530 * Everything is ready now, so write the open message into shared
1531 * memory. Once the message is in set the service bits to say that
1532 * this port wants service.
1535 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1538 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1539 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1541 *bits |= portp->portbit;
1550 * Slave is in action, so now we must wait for the open acknowledgment
1554 portp->state |= ST_OPENING;
1555 while (portp->state & ST_OPENING) {
1556 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1564 if ((rc == 0) && (portp->rc != 0))
1569 /*****************************************************************************/
1572 * Send a close message to the slave. Normally this will sleep waiting
1573 * for the acknowledgement, but if wait parameter is 0 it will not. If
1574 * wait is true then must have user context (to sleep).
1577 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1579 volatile cdkhdr_t *hdrp;
1580 volatile cdkctrl_t *cp;
1581 volatile unsigned char *bits;
1585 printf("stli_rawclose(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1586 (int) portp, (int) arg, wait);
1592 * Slave is already closing this port. This can happen if a hangup
1593 * occurs on this port.
1596 while (portp->state & ST_CLOSING) {
1597 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1606 * Write the close command into shared memory.
1609 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1612 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1613 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1615 *bits |= portp->portbit;
1618 portp->state |= ST_CLOSING;
1625 * Slave is in action, so now we must wait for the open acknowledgment
1629 while (portp->state & ST_CLOSING) {
1630 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1638 if ((rc == 0) && (portp->rc != 0))
1643 /*****************************************************************************/
1646 * Send a command to the slave and wait for the response. This must
1647 * have user context (it sleeps). This routine is generic in that it
1648 * can send any type of command. Its purpose is to wait for that command
1649 * to complete (as opposed to initiating the command then returning).
1652 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1657 printf("stli_cmdwait(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1658 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1659 (int) arg, size, copyback);
1663 while (portp->state & ST_CMDING) {
1664 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1671 stli_sendcmd(brdp, portp, cmd, arg, size, copyback);
1673 while (portp->state & ST_CMDING) {
1674 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1687 /*****************************************************************************/
1690 * Start (or continue) the transfer of TX data on this port. If the
1691 * port is not currently busy then load up the interrupt ring queue
1692 * buffer and kick of the transmitter. If the port is running low on
1693 * TX data then refill the ring queue. This routine is also used to
1694 * activate input flow control!
1697 static void stli_start(struct tty *tp)
1699 volatile cdkasy_t *ap;
1700 volatile cdkhdr_t *hdrp;
1701 volatile unsigned char *bits;
1702 unsigned char *shbuf;
1705 unsigned int len, stlen, head, tail, size;
1708 portp = (stliport_t *) tp;
1711 printf("stli_start(tp=%x): brdnr=%d portnr=%d\n", (int) tp,
1712 portp->brdnr, portp->portnr);
1719 * Check if the output cooked clist buffers are near empty, wake up
1720 * the line discipline to fill it up.
1722 if (tp->t_outq.c_cc <= tp->t_lowat) {
1723 if (tp->t_state & TS_ASLEEP) {
1724 tp->t_state &= ~TS_ASLEEP;
1725 wakeup(&tp->t_outq);
1727 selwakeup(&tp->t_wsel);
1731 if (tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
1737 * Copy data from the clists into the interrupt ring queue. This will
1738 * require at most 2 copys... What we do is calculate how many chars
1739 * can fit into the ring queue, and how many can fit in 1 copy. If after
1740 * the first copy there is still more room then do the second copy.
1742 if (tp->t_outq.c_cc != 0) {
1743 brdp = stli_brds[portp->brdnr];
1744 if (brdp == (stlibrd_t *) NULL) {
1750 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1751 head = (unsigned int) ap->txq.head;
1752 tail = (unsigned int) ap->txq.tail;
1753 if (tail != ((unsigned int) ap->txq.tail))
1754 tail = (unsigned int) ap->txq.tail;
1755 size = portp->txsize;
1757 len = size - (head - tail) - 1;
1758 stlen = size - head;
1760 len = tail - head - 1;
1765 shbuf = (char *) EBRDGETMEMPTR(brdp, portp->txoffset);
1768 stlen = MIN(len, stlen);
1769 count = q_to_b(&tp->t_outq, (shbuf + head), stlen);
1775 stlen = q_to_b(&tp->t_outq, shbuf, len);
1782 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1783 ap->txq.head = head;
1784 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1785 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1787 *bits |= portp->portbit;
1788 portp->state |= ST_TXBUSY;
1789 tp->t_state |= TS_BUSY;
1796 * Do any writer wakeups.
1804 /*****************************************************************************/
1807 * Send a new port configuration to the slave.
1810 static int stli_param(struct tty *tp, struct termios *tiosp)
1817 portp = (stliport_t *) tp;
1818 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1822 stli_mkasyport(portp, &aport, tiosp);
1823 /* can we sleep here? */
1824 rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0);
1825 stli_ttyoptim(portp, tiosp);
1830 /*****************************************************************************/
1833 * Flush characters from the lower buffer. We may not have user context
1834 * so we cannot sleep waiting for it to complete. Also we need to check
1835 * if there is chars for this port in the TX cook buffer, and flush them
1839 static void stli_flush(stliport_t *portp, int flag)
1842 unsigned long ftype;
1846 printf("stli_flush(portp=%x,flag=%x)\n", (int) portp, flag);
1849 if (portp == (stliport_t *) NULL)
1851 if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
1853 brdp = stli_brds[portp->brdnr];
1854 if (brdp == (stlibrd_t *) NULL)
1858 if (portp->state & ST_CMDING) {
1859 portp->state |= (flag & FWRITE) ? ST_DOFLUSHTX : 0;
1860 portp->state |= (flag & FREAD) ? ST_DOFLUSHRX : 0;
1862 ftype = (flag & FWRITE) ? FLUSHTX : 0;
1863 ftype |= (flag & FREAD) ? FLUSHRX : 0;
1864 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
1865 stli_sendcmd(brdp, portp, A_FLUSH, &ftype,
1866 sizeof(unsigned long), 0);
1868 if ((flag & FREAD) && (stli_rxtmpport == portp))
1873 /*****************************************************************************/
1876 * Generic send command routine. This will send a message to the slave,
1877 * of the specified type with the specified argument. Must be very
1878 * carefull of data that will be copied out from shared memory -
1879 * containing command results. The command completion is all done from
1880 * a poll routine that does not have user coontext. Therefore you cannot
1881 * copy back directly into user space, or to the kernel stack of a
1882 * process. This routine does not sleep, so can be called from anywhere,
1883 * and must be called with interrupt locks set.
1886 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1888 volatile cdkhdr_t *hdrp;
1889 volatile cdkctrl_t *cp;
1890 volatile unsigned char *bits;
1893 printf("stli_sendcmd(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1894 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1895 (int) arg, size, copyback);
1898 if (portp->state & ST_CMDING) {
1899 printf("STALLION: command already busy, cmd=%x!\n", (int) cmd);
1904 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1906 bcopy(arg, &(cp->args[0]), size);
1909 portp->argsize = size;
1914 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1915 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1917 *bits |= portp->portbit;
1918 portp->state |= ST_CMDING;
1922 /*****************************************************************************/
1925 * Read data from shared memory. This assumes that the shared memory
1926 * is enabled and that interrupts are off. Basically we just empty out
1927 * the shared memory buffer into the tty buffer. Must be carefull to
1928 * handle the case where we fill up the tty buffer, but still have
1929 * more chars to unload.
1932 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp)
1934 volatile cdkasyrq_t *rp;
1935 volatile char *shbuf;
1937 unsigned int head, tail, size;
1938 unsigned int len, stlen, i;
1942 printf("stli_rxprocess(brdp=%x,portp=%d)\n", (int) brdp, (int) portp);
1946 if ((tp->t_state & TS_ISOPEN) == 0) {
1947 stli_flush(portp, FREAD);
1950 if (tp->t_state & TS_TBLOCK)
1953 rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1954 head = (unsigned int) rp->head;
1955 if (head != ((unsigned int) rp->head))
1956 head = (unsigned int) rp->head;
1957 tail = (unsigned int) rp->tail;
1958 size = portp->rxsize;
1963 len = size - (tail - head);
1964 stlen = size - tail;
1970 shbuf = (volatile char *) EBRDGETMEMPTR(brdp, portp->rxoffset);
1973 * If we can bypass normal LD processing then just copy direct
1974 * from board shared memory into the tty buffers.
1976 if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
1977 if (((tp->t_rawq.c_cc + len) >= TTYHOG) &&
1978 ((tp->t_cflag & CRTS_IFLOW) || (tp->t_iflag & IXOFF)) &&
1979 ((tp->t_state & TS_TBLOCK) == 0)) {
1980 ch = TTYHOG - tp->t_rawq.c_cc - 1;
1981 len = (ch > 0) ? ch : 0;
1982 stlen = MIN(stlen, len);
1983 tp->t_state |= TS_TBLOCK;
1985 i = b_to_q(__DEVOLATILE(char *, shbuf + tail), stlen,
1991 i += b_to_q(__DEVOLATILE(char *, shbuf), len,
1997 rp = &((volatile cdkasy_t *)
1998 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
2003 * Copy the data from board shared memory into a local
2004 * memory buffer. Then feed them from here into the LD.
2005 * We don't want to go into board shared memory one char
2006 * at a time, it is too slow...
2010 stlen = min(len, stlen);
2012 stli_rxtmpport = portp;
2013 stli_rxtmplen = len;
2014 bcopy(__DEVOLATILE(char *, shbuf + tail), &stli_rxtmpbuf[0],
2018 bcopy(shbuf, &stli_rxtmpbuf[stlen], len);
2020 for (i = 0; (i < stli_rxtmplen); i++) {
2021 ch = (unsigned char) stli_rxtmpbuf[i];
2022 (*linesw[tp->t_line].l_rint)(ch, tp);
2025 rp = &((volatile cdkasy_t *)
2026 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
2027 if (stli_rxtmplen == 0) {
2028 head = (unsigned int) rp->head;
2029 if (head != ((unsigned int) rp->head))
2030 head = (unsigned int) rp->head;
2038 stli_rxtmpport = (stliport_t *) NULL;
2042 portp->state |= ST_RXING;
2045 /*****************************************************************************/
2048 * Set up and carry out any delayed commands. There is only a small set
2049 * of slave commands that can be done "off-level". So it is not too
2050 * difficult to deal with them as a special case here.
2053 static __inline void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
2057 if (portp->state & ST_DOSIGS) {
2058 if ((portp->state & ST_DOFLUSHTX) &&
2059 (portp->state & ST_DOFLUSHRX))
2060 cmd = A_SETSIGNALSF;
2061 else if (portp->state & ST_DOFLUSHTX)
2062 cmd = A_SETSIGNALSFTX;
2063 else if (portp->state & ST_DOFLUSHRX)
2064 cmd = A_SETSIGNALSFRX;
2067 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX | ST_DOSIGS);
2068 bcopy(&portp->asig, &(cp->args[0]), sizeof(asysigs_t));
2071 portp->state |= ST_CMDING;
2072 } else if ((portp->state & ST_DOFLUSHTX) ||
2073 (portp->state & ST_DOFLUSHRX)) {
2074 cmd = ((portp->state & ST_DOFLUSHTX) ? FLUSHTX : 0);
2075 cmd |= ((portp->state & ST_DOFLUSHRX) ? FLUSHRX : 0);
2076 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
2077 bcopy(&cmd, &(cp->args[0]), sizeof(int));
2080 portp->state |= ST_CMDING;
2084 /*****************************************************************************/
2087 * Host command service checking. This handles commands or messages
2088 * coming from the slave to the host. Must have board shared memory
2089 * enabled and interrupts off when called. Notice that by servicing the
2090 * read data last we don't need to change the shared memory pointer
2091 * during processing (which is a slow IO operation).
2092 * Return value indicates if this port is still awaiting actions from
2093 * the slave (like open, command, or even TX data being sent). If 0
2094 * then port is still busy, otherwise the port request bit flag is
2098 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
2100 volatile cdkasy_t *ap;
2101 volatile cdkctrl_t *cp;
2103 unsigned long oldsigs;
2104 unsigned int head, tail;
2108 printf("stli_hostcmd(brdp=%x,portp=%x)\n", (int) brdp, (int) portp);
2111 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
2115 * Check if we are waiting for an open completion message.
2117 if (portp->state & ST_OPENING) {
2118 rc = (int) cp->openarg;
2119 if ((cp->open == 0) && (rc != 0)) {
2124 portp->state &= ~ST_OPENING;
2125 wakeup(&portp->state);
2130 * Check if we are waiting for a close completion message.
2132 if (portp->state & ST_CLOSING) {
2133 rc = (int) cp->closearg;
2134 if ((cp->close == 0) && (rc != 0)) {
2139 portp->state &= ~ST_CLOSING;
2140 wakeup(&portp->state);
2145 * Check if we are waiting for a command completion message. We may
2146 * need to copy out the command results associated with this command.
2148 if (portp->state & ST_CMDING) {
2150 if ((cp->cmd == 0) && (rc != 0)) {
2153 if (portp->argp != (void *) NULL) {
2154 bcopy(&(cp->args[0]), portp->argp,
2156 portp->argp = (void *) NULL;
2160 portp->state &= ~ST_CMDING;
2161 stli_dodelaycmd(portp, cp);
2162 wakeup(&portp->state);
2167 * Check for any notification messages ready. This includes lots of
2168 * different types of events - RX chars ready, RX break received,
2169 * TX data low or empty in the slave, modem signals changed state.
2170 * Must be extremely carefull if we call to the LD, it may call
2171 * other routines of ours that will disable the memory...
2172 * Something else we need to be carefull of is race conditions on
2173 * marking the TX as empty...
2184 if (nt.signal & SG_DCD) {
2185 oldsigs = portp->sigs;
2186 portp->sigs = stli_mktiocm(nt.sigvalue);
2187 portp->state &= ~ST_GETSIGS;
2188 (*linesw[tp->t_line].l_modem)(tp,
2189 (portp->sigs & TIOCM_CD));
2192 if (nt.data & DT_RXBUSY) {
2194 stli_rxprocess(brdp, portp);
2196 if (nt.data & DT_RXBREAK) {
2197 (*linesw[tp->t_line].l_rint)(TTY_BI, tp);
2200 if (nt.data & DT_TXEMPTY) {
2201 ap = (volatile cdkasy_t *)
2202 EBRDGETMEMPTR(brdp, portp->addr);
2203 head = (unsigned int) ap->txq.head;
2204 tail = (unsigned int) ap->txq.tail;
2205 if (tail != ((unsigned int) ap->txq.tail))
2206 tail = (unsigned int) ap->txq.tail;
2207 head = (head >= tail) ? (head - tail) :
2208 portp->txsize - (tail - head);
2210 portp->state &= ~ST_TXBUSY;
2211 tp->t_state &= ~TS_BUSY;
2214 if (nt.data & (DT_TXEMPTY | DT_TXLOW)) {
2215 (*linesw[tp->t_line].l_start)(tp);
2221 * It might seem odd that we are checking for more RX chars here.
2222 * But, we need to handle the case where the tty buffer was previously
2223 * filled, but we had more characters to pass up. The slave will not
2224 * send any more RX notify messages until the RX buffer has been emptied.
2225 * But it will leave the service bits on (since the buffer is not empty).
2226 * So from here we can try to process more RX chars.
2228 if ((!donerx) && (portp->state & ST_RXING)) {
2229 portp->state &= ~ST_RXING;
2230 stli_rxprocess(brdp, portp);
2233 return((portp->state & (ST_OPENING | ST_CLOSING | ST_CMDING |
2234 ST_TXBUSY | ST_RXING)) ? 0 : 1);
2237 /*****************************************************************************/
2240 * Service all ports on a particular board. Assumes that the boards
2241 * shared memory is enabled, and that the page pointer is pointed
2242 * at the cdk header structure.
2245 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
2248 unsigned char hostbits[(STL_MAXCHANS / 8) + 1];
2249 unsigned char slavebits[(STL_MAXCHANS / 8) + 1];
2250 unsigned char *slavep;
2251 int bitpos, bitat, bitsize;
2252 int channr, nrdevs, slavebitchange;
2254 bitsize = brdp->bitsize;
2255 nrdevs = brdp->nrdevs;
2258 * Check if slave wants any service. Basically we try to do as
2259 * little work as possible here. There are 2 levels of service
2260 * bits. So if there is nothing to do we bail early. We check
2261 * 8 service bits at a time in the inner loop, so we can bypass
2262 * the lot if none of them want service.
2264 bcopy(__DEVOLATILE(unsigned char *, hdrp) + brdp->hostoffset,
2265 &hostbits[0], bitsize);
2267 bzero(&slavebits[0], bitsize);
2270 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2271 if (hostbits[bitpos] == 0)
2273 channr = bitpos * 8;
2275 for (; (channr < nrdevs); channr++, bitat <<=1) {
2276 if (hostbits[bitpos] & bitat) {
2277 portp = brdp->ports[(channr - 1)];
2278 if (stli_hostcmd(brdp, portp)) {
2280 slavebits[bitpos] |= bitat;
2287 * If any of the ports are no longer busy then update them in the
2288 * slave request bits. We need to do this after, since a host port
2289 * service may initiate more slave requests...
2291 if (slavebitchange) {
2292 hdrp = (volatile cdkhdr_t *)
2293 EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2294 slavep = __DEVOLATILE(unsigned char *, hdrp) + brdp->slaveoffset;
2295 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2296 if (slavebits[bitpos])
2297 slavep[bitpos] &= ~slavebits[bitpos];
2302 /*****************************************************************************/
2305 * Driver poll routine. This routine polls the boards in use and passes
2306 * messages back up to host when neccesary. This is actually very
2307 * CPU efficient, since we will always have the kernel poll clock, it
2308 * adds only a few cycles when idle (since board service can be
2309 * determined very easily), but when loaded generates no interrupts
2310 * (with their expensive associated context change).
2313 static void stli_poll(void *arg)
2315 volatile cdkhdr_t *hdrp;
2322 * Check each board and do any servicing required.
2324 for (brdnr = 0; (brdnr < stli_nrbrds); brdnr++) {
2325 brdp = stli_brds[brdnr];
2326 if (brdp == (stlibrd_t *) NULL)
2328 if ((brdp->state & BST_STARTED) == 0)
2332 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2334 stli_brdpoll(brdp, hdrp);
2339 timeout(stli_poll, 0, 1);
2342 /*****************************************************************************/
2345 * Translate the termios settings into the port setting structure of
2349 static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp)
2352 printf("stli_mkasyport(portp=%x,pp=%x,tiosp=%d)\n", (int) portp,
2353 (int) pp, (int) tiosp);
2356 bzero(pp, sizeof(asyport_t));
2359 * Start of by setting the baud, char size, parity and stop bit info.
2361 if (tiosp->c_ispeed == 0)
2362 tiosp->c_ispeed = tiosp->c_ospeed;
2363 if ((tiosp->c_ospeed < 0) || (tiosp->c_ospeed > STL_MAXBAUD))
2364 tiosp->c_ospeed = STL_MAXBAUD;
2365 pp->baudout = tiosp->c_ospeed;
2366 pp->baudin = pp->baudout;
2368 switch (tiosp->c_cflag & CSIZE) {
2383 if (tiosp->c_cflag & CSTOPB)
2384 pp->stopbs = PT_STOP2;
2386 pp->stopbs = PT_STOP1;
2388 if (tiosp->c_cflag & PARENB) {
2389 if (tiosp->c_cflag & PARODD)
2390 pp->parity = PT_ODDPARITY;
2392 pp->parity = PT_EVENPARITY;
2394 pp->parity = PT_NOPARITY;
2397 if (tiosp->c_iflag & ISTRIP)
2398 pp->iflag |= FI_ISTRIP;
2401 * Set up any flow control options enabled.
2403 if (tiosp->c_iflag & IXON) {
2405 if (tiosp->c_iflag & IXANY)
2406 pp->flow |= F_IXANY;
2408 if (tiosp->c_iflag & IXOFF)
2409 pp->flow |= F_IXOFF;
2410 if (tiosp->c_cflag & CCTS_OFLOW)
2411 pp->flow |= F_CTSFLOW;
2412 if (tiosp->c_cflag & CRTS_IFLOW)
2413 pp->flow |= F_RTSFLOW;
2415 pp->startin = tiosp->c_cc[VSTART];
2416 pp->stopin = tiosp->c_cc[VSTOP];
2417 pp->startout = tiosp->c_cc[VSTART];
2418 pp->stopout = tiosp->c_cc[VSTOP];
2421 * Set up the RX char marking mask with those RX error types we must
2422 * catch. We can get the slave to help us out a little here, it will
2423 * ignore parity errors and breaks for us, and mark parity errors in
2426 if (tiosp->c_iflag & IGNPAR)
2427 pp->iflag |= FI_IGNRXERRS;
2428 if (tiosp->c_iflag & IGNBRK)
2429 pp->iflag |= FI_IGNBREAK;
2430 if (tiosp->c_iflag & (INPCK | PARMRK))
2431 pp->iflag |= FI_1MARKRXERRS;
2434 * Transfer any persistent flags into the asyport structure.
2436 pp->pflag = (portp->pflag & 0xffff);
2437 pp->vmin = (portp->pflag & P_RXIMIN) ? 1 : 0;
2438 pp->vtime = (portp->pflag & P_RXITIME) ? 1 : 0;
2439 pp->cc[1] = (portp->pflag & P_RXTHOLD) ? 1 : 0;
2442 /*****************************************************************************/
2445 * Construct a slave signals structure for setting the DTR and RTS
2446 * signals as specified.
2449 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts)
2452 printf("stli_mkasysigs(sp=%x,dtr=%d,rts=%d)\n", (int) sp, dtr, rts);
2455 bzero(sp, sizeof(asysigs_t));
2457 sp->signal |= SG_DTR;
2458 sp->sigvalue |= ((dtr > 0) ? SG_DTR : 0);
2461 sp->signal |= SG_RTS;
2462 sp->sigvalue |= ((rts > 0) ? SG_RTS : 0);
2466 /*****************************************************************************/
2469 * Convert the signals returned from the slave into a local TIOCM type
2470 * signals value. We keep them localy in TIOCM format.
2473 static long stli_mktiocm(unsigned long sigvalue)
2478 printf("stli_mktiocm(sigvalue=%x)\n", (int) sigvalue);
2482 tiocm |= ((sigvalue & SG_DCD) ? TIOCM_CD : 0);
2483 tiocm |= ((sigvalue & SG_CTS) ? TIOCM_CTS : 0);
2484 tiocm |= ((sigvalue & SG_RI) ? TIOCM_RI : 0);
2485 tiocm |= ((sigvalue & SG_DSR) ? TIOCM_DSR : 0);
2486 tiocm |= ((sigvalue & SG_DTR) ? TIOCM_DTR : 0);
2487 tiocm |= ((sigvalue & SG_RTS) ? TIOCM_RTS : 0);
2491 /*****************************************************************************/
2494 * Enable l_rint processing bypass mode if tty modes allow it.
2497 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp)
2502 if (((tiosp->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR)) == 0) &&
2503 (((tiosp->c_iflag & BRKINT) == 0) || (tiosp->c_iflag & IGNBRK)) &&
2504 (((tiosp->c_iflag & PARMRK) == 0) ||
2505 ((tiosp->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))) &&
2506 ((tiosp->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN)) ==0) &&
2507 (linesw[tp->t_line].l_rint == ttyinput))
2508 tp->t_state |= TS_CAN_BYPASS_L_RINT;
2510 tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
2511 portp->hotchar = linesw[tp->t_line].l_hotchar;
2514 /*****************************************************************************/
2517 * All panels and ports actually attached have been worked out. All
2518 * we need to do here is set up the appropriate per port data structures.
2521 static int stli_initports(stlibrd_t *brdp)
2524 int i, panelnr, panelport;
2527 printf("stli_initports(brdp=%x)\n", (int) brdp);
2530 for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
2531 portp = malloc(sizeof(stliport_t), M_TTYS, M_WAITOK | M_ZERO);
2533 portp->brdnr = brdp->brdnr;
2534 portp->panelnr = panelnr;
2535 portp->initintios.c_ispeed = STL_DEFSPEED;
2536 portp->initintios.c_ospeed = STL_DEFSPEED;
2537 portp->initintios.c_cflag = STL_DEFCFLAG;
2538 portp->initintios.c_iflag = 0;
2539 portp->initintios.c_oflag = 0;
2540 portp->initintios.c_lflag = 0;
2541 bcopy(&ttydefchars[0], &portp->initintios.c_cc[0],
2542 sizeof(portp->initintios.c_cc));
2543 portp->initouttios = portp->initintios;
2544 portp->dtrwait = 3 * hz;
2547 if (panelport >= brdp->panels[panelnr]) {
2551 brdp->ports[i] = portp;
2558 /*****************************************************************************/
2561 * All the following routines are board specific hardware operations.
2564 static void stli_ecpinit(stlibrd_t *brdp)
2566 unsigned long memconf;
2569 printf("stli_ecpinit(brdp=%d)\n", (int) brdp);
2572 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2574 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2577 memconf = (brdp->paddr & ECP_ATADDRMASK) >> ECP_ATADDRSHFT;
2578 outb((brdp->iobase + ECP_ATMEMAR), memconf);
2581 /*****************************************************************************/
2583 static void stli_ecpenable(stlibrd_t *brdp)
2586 printf("stli_ecpenable(brdp=%x)\n", (int) brdp);
2588 outb((brdp->iobase + ECP_ATCONFR), ECP_ATENABLE);
2591 /*****************************************************************************/
2593 static void stli_ecpdisable(stlibrd_t *brdp)
2596 printf("stli_ecpdisable(brdp=%x)\n", (int) brdp);
2598 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2601 /*****************************************************************************/
2603 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2609 printf("stli_ecpgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2613 if (offset > brdp->memsize) {
2614 printf("STALLION: shared memory pointer=%x out of range at "
2615 "line=%d(%d), brd=%d\n", (int) offset, line,
2616 __LINE__, brdp->brdnr);
2620 ptr = (char *) brdp->vaddr + (offset % ECP_ATPAGESIZE);
2621 val = (unsigned char) (offset / ECP_ATPAGESIZE);
2623 outb((brdp->iobase + ECP_ATMEMPR), val);
2627 /*****************************************************************************/
2629 static void stli_ecpreset(stlibrd_t *brdp)
2632 printf("stli_ecpreset(brdp=%x)\n", (int) brdp);
2635 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2637 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2641 /*****************************************************************************/
2643 static void stli_ecpintr(stlibrd_t *brdp)
2646 printf("stli_ecpintr(brdp=%x)\n", (int) brdp);
2648 outb(brdp->iobase, 0x1);
2651 /*****************************************************************************/
2654 * The following set of functions act on ECP EISA boards.
2657 static void stli_ecpeiinit(stlibrd_t *brdp)
2659 unsigned long memconf;
2662 printf("stli_ecpeiinit(brdp=%x)\n", (int) brdp);
2665 outb((brdp->iobase + ECP_EIBRDENAB), 0x1);
2666 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2668 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2671 memconf = (brdp->paddr & ECP_EIADDRMASKL) >> ECP_EIADDRSHFTL;
2672 outb((brdp->iobase + ECP_EIMEMARL), memconf);
2673 memconf = (brdp->paddr & ECP_EIADDRMASKH) >> ECP_EIADDRSHFTH;
2674 outb((brdp->iobase + ECP_EIMEMARH), memconf);
2677 /*****************************************************************************/
2679 static void stli_ecpeienable(stlibrd_t *brdp)
2681 outb((brdp->iobase + ECP_EICONFR), ECP_EIENABLE);
2684 /*****************************************************************************/
2686 static void stli_ecpeidisable(stlibrd_t *brdp)
2688 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2691 /*****************************************************************************/
2693 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2699 printf("stli_ecpeigetmemptr(brdp=%x,offset=%x,line=%d)\n",
2700 (int) brdp, (int) offset, line);
2703 if (offset > brdp->memsize) {
2704 printf("STALLION: shared memory pointer=%x out of range at "
2705 "line=%d(%d), brd=%d\n", (int) offset, line,
2706 __LINE__, brdp->brdnr);
2710 ptr = (char *) brdp->vaddr + (offset % ECP_EIPAGESIZE);
2711 if (offset < ECP_EIPAGESIZE)
2714 val = ECP_EIENABLE | 0x40;
2716 outb((brdp->iobase + ECP_EICONFR), val);
2720 /*****************************************************************************/
2722 static void stli_ecpeireset(stlibrd_t *brdp)
2724 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2726 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2730 /*****************************************************************************/
2733 * The following set of functions act on ECP MCA boards.
2736 static void stli_ecpmcenable(stlibrd_t *brdp)
2738 outb((brdp->iobase + ECP_MCCONFR), ECP_MCENABLE);
2741 /*****************************************************************************/
2743 static void stli_ecpmcdisable(stlibrd_t *brdp)
2745 outb((brdp->iobase + ECP_MCCONFR), ECP_MCDISABLE);
2748 /*****************************************************************************/
2750 static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2755 if (offset > brdp->memsize) {
2756 printf("STALLION: shared memory pointer=%x out of range at "
2757 "line=%d(%d), brd=%d\n", (int) offset, line,
2758 __LINE__, brdp->brdnr);
2762 ptr = (char *) brdp->vaddr + (offset % ECP_MCPAGESIZE);
2763 val = ((unsigned char) (offset / ECP_MCPAGESIZE)) | ECP_MCENABLE;
2765 outb((brdp->iobase + ECP_MCCONFR), val);
2769 /*****************************************************************************/
2771 static void stli_ecpmcreset(stlibrd_t *brdp)
2773 outb((brdp->iobase + ECP_MCCONFR), ECP_MCSTOP);
2775 outb((brdp->iobase + ECP_MCCONFR), ECP_MCDISABLE);
2779 /*****************************************************************************/
2782 * The following routines act on ONboards.
2785 static void stli_onbinit(stlibrd_t *brdp)
2787 unsigned long memconf;
2791 printf("stli_onbinit(brdp=%d)\n", (int) brdp);
2794 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2796 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2797 for (i = 0; (i < 1000); i++)
2800 memconf = (brdp->paddr & ONB_ATADDRMASK) >> ONB_ATADDRSHFT;
2801 outb((brdp->iobase + ONB_ATMEMAR), memconf);
2802 outb(brdp->iobase, 0x1);
2806 /*****************************************************************************/
2808 static void stli_onbenable(stlibrd_t *brdp)
2811 printf("stli_onbenable(brdp=%x)\n", (int) brdp);
2813 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATENABLE | brdp->confbits));
2816 /*****************************************************************************/
2818 static void stli_onbdisable(stlibrd_t *brdp)
2821 printf("stli_onbdisable(brdp=%x)\n", (int) brdp);
2823 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATDISABLE | brdp->confbits));
2826 /*****************************************************************************/
2828 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2833 printf("stli_onbgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2837 if (offset > brdp->memsize) {
2838 printf("STALLION: shared memory pointer=%x out of range at "
2839 "line=%d(%d), brd=%d\n", (int) offset, line,
2840 __LINE__, brdp->brdnr);
2843 ptr = (char *) brdp->vaddr + (offset % ONB_ATPAGESIZE);
2848 /*****************************************************************************/
2850 static void stli_onbreset(stlibrd_t *brdp)
2855 printf("stli_onbreset(brdp=%x)\n", (int) brdp);
2858 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2860 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2861 for (i = 0; (i < 1000); i++)
2865 /*****************************************************************************/
2868 * The following routines act on ONboard EISA.
2871 static void stli_onbeinit(stlibrd_t *brdp)
2873 unsigned long memconf;
2877 printf("stli_onbeinit(brdp=%d)\n", (int) brdp);
2880 outb((brdp->iobase + ONB_EIBRDENAB), 0x1);
2881 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2883 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2884 for (i = 0; (i < 1000); i++)
2887 memconf = (brdp->paddr & ONB_EIADDRMASKL) >> ONB_EIADDRSHFTL;
2888 outb((brdp->iobase + ONB_EIMEMARL), memconf);
2889 memconf = (brdp->paddr & ONB_EIADDRMASKH) >> ONB_EIADDRSHFTH;
2890 outb((brdp->iobase + ONB_EIMEMARH), memconf);
2891 outb(brdp->iobase, 0x1);
2895 /*****************************************************************************/
2897 static void stli_onbeenable(stlibrd_t *brdp)
2900 printf("stli_onbeenable(brdp=%x)\n", (int) brdp);
2902 outb((brdp->iobase + ONB_EICONFR), ONB_EIENABLE);
2905 /*****************************************************************************/
2907 static void stli_onbedisable(stlibrd_t *brdp)
2910 printf("stli_onbedisable(brdp=%x)\n", (int) brdp);
2912 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2915 /*****************************************************************************/
2917 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2923 printf("stli_onbegetmemptr(brdp=%x,offset=%x,line=%d)\n", (int) brdp,
2924 (int) offset, line);
2927 if (offset > brdp->memsize) {
2928 printf("STALLION: shared memory pointer=%x out of range at "
2929 "line=%d(%d), brd=%d\n", (int) offset, line,
2930 __LINE__, brdp->brdnr);
2934 ptr = (char *) brdp->vaddr + (offset % ONB_EIPAGESIZE);
2935 if (offset < ONB_EIPAGESIZE)
2938 val = ONB_EIENABLE | 0x40;
2940 outb((brdp->iobase + ONB_EICONFR), val);
2944 /*****************************************************************************/
2946 static void stli_onbereset(stlibrd_t *brdp)
2951 printf("stli_onbereset(brdp=%x)\n", (int) brdp);
2954 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2956 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2957 for (i = 0; (i < 1000); i++)
2961 /*****************************************************************************/
2964 * The following routines act on Brumby boards.
2967 static void stli_bbyinit(stlibrd_t *brdp)
2972 printf("stli_bbyinit(brdp=%d)\n", (int) brdp);
2975 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
2977 outb((brdp->iobase + BBY_ATCONFR), 0);
2978 for (i = 0; (i < 1000); i++)
2980 outb(brdp->iobase, 0x1);
2984 /*****************************************************************************/
2986 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2992 printf("stli_bbygetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2996 if (offset > brdp->memsize) {
2997 printf("STALLION: shared memory pointer=%x out of range at "
2998 "line=%d(%d), brd=%d\n", (int) offset, line,
2999 __LINE__, brdp->brdnr);
3003 ptr = (char *) brdp->vaddr + (offset % BBY_PAGESIZE);
3004 val = (unsigned char) (offset / BBY_PAGESIZE);
3006 outb((brdp->iobase + BBY_ATCONFR), val);
3010 /*****************************************************************************/
3012 static void stli_bbyreset(stlibrd_t *brdp)
3017 printf("stli_bbyreset(brdp=%x)\n", (int) brdp);
3020 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
3022 outb((brdp->iobase + BBY_ATCONFR), 0);
3023 for (i = 0; (i < 1000); i++)
3027 /*****************************************************************************/
3030 * The following routines act on original old Stallion boards.
3033 static void stli_stalinit(stlibrd_t *brdp)
3038 printf("stli_stalinit(brdp=%d)\n", (int) brdp);
3041 outb(brdp->iobase, 0x1);
3042 for (i = 0; (i < 1000); i++)
3046 /*****************************************************************************/
3048 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
3053 printf("stli_stalgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
3057 if (offset > brdp->memsize) {
3058 printf("STALLION: shared memory pointer=%x out of range at "
3059 "line=%d(%d), brd=%d\n", (int) offset, line,
3060 __LINE__, brdp->brdnr);
3063 ptr = (char *) brdp->vaddr + (offset % STAL_PAGESIZE);
3068 /*****************************************************************************/
3070 static void stli_stalreset(stlibrd_t *brdp)
3072 volatile unsigned long *vecp;
3076 printf("stli_stalreset(brdp=%x)\n", (int) brdp);
3079 vecp = (volatile unsigned long *) ((char *) brdp->vaddr + 0x30);
3081 outb(brdp->iobase, 0);
3082 for (i = 0; (i < 1000); i++)
3086 /*****************************************************************************/
3089 * Try to find an ECP board and initialize it. This handles only ECP
3093 static int stli_initecp(stlibrd_t *brdp)
3097 unsigned int status, nxtid;
3101 printf("stli_initecp(brdp=%x)\n", (int) brdp);
3105 * Do a basic sanity check on the IO and memory addresses.
3107 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3111 * Based on the specific board type setup the common vars to access
3112 * and enable shared memory. Set all board specific information now
3115 switch (brdp->brdtype) {
3117 brdp->memsize = ECP_MEMSIZE;
3118 brdp->pagesize = ECP_ATPAGESIZE;
3119 brdp->init = stli_ecpinit;
3120 brdp->enable = stli_ecpenable;
3121 brdp->reenable = stli_ecpenable;
3122 brdp->disable = stli_ecpdisable;
3123 brdp->getmemptr = stli_ecpgetmemptr;
3124 brdp->intr = stli_ecpintr;
3125 brdp->reset = stli_ecpreset;
3129 brdp->memsize = ECP_MEMSIZE;
3130 brdp->pagesize = ECP_EIPAGESIZE;
3131 brdp->init = stli_ecpeiinit;
3132 brdp->enable = stli_ecpeienable;
3133 brdp->reenable = stli_ecpeienable;
3134 brdp->disable = stli_ecpeidisable;
3135 brdp->getmemptr = stli_ecpeigetmemptr;
3136 brdp->intr = stli_ecpintr;
3137 brdp->reset = stli_ecpeireset;
3141 brdp->memsize = ECP_MEMSIZE;
3142 brdp->pagesize = ECP_MCPAGESIZE;
3144 brdp->enable = stli_ecpmcenable;
3145 brdp->reenable = stli_ecpmcenable;
3146 brdp->disable = stli_ecpmcdisable;
3147 brdp->getmemptr = stli_ecpmcgetmemptr;
3148 brdp->intr = stli_ecpintr;
3149 brdp->reset = stli_ecpmcreset;
3157 * The per-board operations structure is all setup, so now lets go
3158 * and get the board operational. Firstly initialize board configuration
3164 * Now that all specific code is set up, enable the shared memory and
3165 * look for the a signature area that will tell us exactly what board
3166 * this is, and what it is connected to it.
3169 sigsp = (cdkecpsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3170 bcopy(sigsp, &sig, sizeof(cdkecpsig_t));
3174 printf("%s(%d): sig-> magic=%x rom=%x panel=%x,%x,%x,%x,%x,%x,%x,%x\n",
3175 __file__, __LINE__, (int) sig.magic, sig.romver,
3176 sig.panelid[0], (int) sig.panelid[1], (int) sig.panelid[2],
3177 (int) sig.panelid[3], (int) sig.panelid[4],
3178 (int) sig.panelid[5], (int) sig.panelid[6],
3179 (int) sig.panelid[7]);
3182 if (sig.magic != ECP_MAGIC)
3186 * Scan through the signature looking at the panels connected to the
3187 * board. Calculate the total number of ports as we go.
3189 for (panelnr = 0, nxtid = 0; (panelnr < STL_MAXPANELS); panelnr++) {
3190 status = sig.panelid[nxtid];
3191 if ((status & ECH_PNLIDMASK) != nxtid)
3193 brdp->panelids[panelnr] = status;
3194 if (status & ECH_PNL16PORT) {
3195 brdp->panels[panelnr] = 16;
3196 brdp->nrports += 16;
3199 brdp->panels[panelnr] = 8;
3206 brdp->state |= BST_FOUND;
3210 /*****************************************************************************/
3213 * Try to find an ONboard, Brumby or Stallion board and initialize it.
3214 * This handles only these board types.
3217 static int stli_initonb(stlibrd_t *brdp)
3224 printf("stli_initonb(brdp=%x)\n", (int) brdp);
3228 * Do a basic sanity check on the IO and memory addresses.
3230 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3234 * Based on the specific board type setup the common vars to access
3235 * and enable shared memory. Set all board specific information now
3238 switch (brdp->brdtype) {
3242 case BRD_ONBOARD2_32:
3244 brdp->memsize = ONB_MEMSIZE;
3245 brdp->pagesize = ONB_ATPAGESIZE;
3246 brdp->init = stli_onbinit;
3247 brdp->enable = stli_onbenable;
3248 brdp->reenable = stli_onbenable;
3249 brdp->disable = stli_onbdisable;
3250 brdp->getmemptr = stli_onbgetmemptr;
3251 brdp->intr = stli_ecpintr;
3252 brdp->reset = stli_onbreset;
3253 brdp->confbits = (brdp->paddr > 0x100000) ? ONB_HIMEMENAB : 0;
3257 brdp->memsize = ONB_EIMEMSIZE;
3258 brdp->pagesize = ONB_EIPAGESIZE;
3259 brdp->init = stli_onbeinit;
3260 brdp->enable = stli_onbeenable;
3261 brdp->reenable = stli_onbeenable;
3262 brdp->disable = stli_onbedisable;
3263 brdp->getmemptr = stli_onbegetmemptr;
3264 brdp->intr = stli_ecpintr;
3265 brdp->reset = stli_onbereset;
3271 brdp->memsize = BBY_MEMSIZE;
3272 brdp->pagesize = BBY_PAGESIZE;
3273 brdp->init = stli_bbyinit;
3274 brdp->enable = NULL;
3275 brdp->reenable = NULL;
3276 brdp->disable = NULL;
3277 brdp->getmemptr = stli_bbygetmemptr;
3278 brdp->intr = stli_ecpintr;
3279 brdp->reset = stli_bbyreset;
3283 brdp->memsize = STAL_MEMSIZE;
3284 brdp->pagesize = STAL_PAGESIZE;
3285 brdp->init = stli_stalinit;
3286 brdp->enable = NULL;
3287 brdp->reenable = NULL;
3288 brdp->disable = NULL;
3289 brdp->getmemptr = stli_stalgetmemptr;
3290 brdp->intr = stli_ecpintr;
3291 brdp->reset = stli_stalreset;
3299 * The per-board operations structure is all setup, so now lets go
3300 * and get the board operational. Firstly initialize board configuration
3306 * Now that all specific code is set up, enable the shared memory and
3307 * look for the a signature area that will tell us exactly what board
3308 * this is, and how many ports.
3311 sigsp = (cdkonbsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3312 bcopy(sigsp, &sig, sizeof(cdkonbsig_t));
3316 printf("%s(%d): sig-> magic=%x:%x:%x:%x romver=%x amask=%x:%x:%x\n",
3317 __file__, __LINE__, sig.magic0, sig.magic1, sig.magic2,
3318 sig.magic3, sig.romver, sig.amask0, sig.amask1, sig.amask2);
3321 if ((sig.magic0 != ONB_MAGIC0) || (sig.magic1 != ONB_MAGIC1) ||
3322 (sig.magic2 != ONB_MAGIC2) || (sig.magic3 != ONB_MAGIC3))
3326 * Scan through the signature alive mask and calculate how many ports
3327 * there are on this board.
3333 for (i = 0; (i < 16); i++) {
3334 if (((sig.amask0 << i) & 0x8000) == 0)
3339 brdp->panels[0] = brdp->nrports;
3341 brdp->state |= BST_FOUND;
3345 /*****************************************************************************/
3348 * Start up a running board. This routine is only called after the
3349 * code has been down loaded to the board and is operational. It will
3350 * read in the memory map, and get the show on the road...
3353 static int stli_startbrd(stlibrd_t *brdp)
3355 volatile cdkhdr_t *hdrp;
3356 volatile cdkmem_t *memp;
3357 volatile cdkasy_t *ap;
3359 int portnr, nrdevs, i, rc, x;
3362 printf("stli_startbrd(brdp=%x)\n", (int) brdp);
3369 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
3370 nrdevs = hdrp->nrdevs;
3373 printf("%s(%d): CDK version %d.%d.%d --> nrdevs=%d memp=%x hostp=%x "
3374 "slavep=%x\n", __file__, __LINE__, hdrp->ver_release,
3375 hdrp->ver_modification, hdrp->ver_fix, nrdevs,
3376 (int) hdrp->memp, (int) hdrp->hostp, (int) hdrp->slavep);
3379 if (nrdevs < (brdp->nrports + 1)) {
3380 printf("STALLION: slave failed to allocate memory for all "
3381 "devices, devices=%d\n", nrdevs);
3382 brdp->nrports = nrdevs - 1;
3384 brdp->nrdevs = nrdevs;
3385 brdp->hostoffset = hdrp->hostp - CDK_CDKADDR;
3386 brdp->slaveoffset = hdrp->slavep - CDK_CDKADDR;
3387 brdp->bitsize = (nrdevs + 7) / 8;
3388 memp = (volatile cdkmem_t *) (void *) (uintptr_t) hdrp->memp;
3389 if ((uintptr_t)(volatile void *)memp > brdp->memsize) {
3390 printf("STALLION: corrupted shared memory region?\n");
3392 goto stli_donestartup;
3394 memp = (volatile cdkmem_t *) EBRDGETMEMPTR(brdp,
3395 (uintptr_t)(volatile void *)memp);
3396 if (memp->dtype != TYP_ASYNCTRL) {
3397 printf("STALLION: no slave control device found\n");
3399 goto stli_donestartup;
3404 * Cycle through memory allocation of each port. We are guaranteed to
3405 * have all ports inside the first page of slave window, so no need to
3406 * change pages while reading memory map.
3408 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++, memp++) {
3409 if (memp->dtype != TYP_ASYNC)
3411 portp = brdp->ports[portnr];
3412 if (portp == (stliport_t *) NULL)
3415 portp->addr = memp->offset;
3416 portp->reqidx = (unsigned char) (i * 8 / nrdevs);
3417 portp->reqbit = (unsigned char) (0x1 << portp->reqidx);
3418 portp->portidx = (unsigned char) (i / 8);
3419 portp->portbit = (unsigned char) (0x1 << (i % 8));
3422 hdrp->slavereq = 0xff;
3425 * For each port setup a local copy of the RX and TX buffer offsets
3426 * and sizes. We do this separate from the above, because we need to
3427 * move the shared memory page...
3429 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++) {
3430 portp = brdp->ports[portnr];
3431 if (portp == (stliport_t *) NULL)
3433 if (portp->addr == 0)
3435 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
3436 if (ap != (volatile cdkasy_t *) NULL) {
3437 portp->rxsize = ap->rxq.size;
3438 portp->txsize = ap->txq.size;
3439 portp->rxoffset = ap->rxq.offset;
3440 portp->txoffset = ap->txq.offset;
3449 brdp->state |= BST_STARTED;
3451 if (stli_doingtimeout == 0) {
3452 timeout(stli_poll, 0, 1);
3453 stli_doingtimeout++;
3459 /*****************************************************************************/
3462 * Probe and initialize the specified board.
3465 static int stli_brdinit(stlibrd_t *brdp)
3468 printf("stli_brdinit(brdp=%x)\n", (int) brdp);
3471 stli_brds[brdp->brdnr] = brdp;
3473 switch (brdp->brdtype) {
3483 case BRD_ONBOARD2_32:
3495 printf("STALLION: %s board type not supported in this driver\n",
3496 stli_brdnames[brdp->brdtype]);
3499 printf("STALLION: unit=%d is unknown board type=%d\n",
3500 brdp->brdnr, brdp->brdtype);
3507 /*****************************************************************************/
3510 * Finish off the remaining initialization for a board.
3513 static int stli_brdattach(stlibrd_t *brdp)
3516 printf("stli_brdattach(brdp=%x)\n", (int) brdp);
3520 if ((brdp->state & BST_FOUND) == 0) {
3521 printf("STALLION: %s board not found, unit=%d io=%x mem=%x\n",
3522 stli_brdnames[brdp->brdtype], brdp->brdnr,
3523 brdp->iobase, (int) brdp->paddr);
3528 stli_initports(brdp);
3529 printf("stli%d: %s (driver version %s), unit=%d nrpanels=%d "
3530 "nrports=%d\n", brdp->unitid, stli_brdnames[brdp->brdtype],
3531 stli_drvversion, brdp->brdnr, brdp->nrpanels, brdp->nrports);
3532 cdevsw_add(&stli_cdevsw, -1, brdp->unitid);
3536 /*****************************************************************************/
3538 /*****************************************************************************/
3541 * Return the board stats structure to user app.
3544 static int stli_getbrdstats(caddr_t data)
3550 printf("stli_getbrdstats(data=%p)\n", (void *) data);
3553 stli_brdstats = *((combrd_t *) data);
3554 if (stli_brdstats.brd >= STL_MAXBRDS)
3556 brdp = stli_brds[stli_brdstats.brd];
3557 if (brdp == (stlibrd_t *) NULL)
3560 bzero(&stli_brdstats, sizeof(combrd_t));
3561 stli_brdstats.brd = brdp->brdnr;
3562 stli_brdstats.type = brdp->brdtype;
3563 stli_brdstats.hwid = 0;
3564 stli_brdstats.state = brdp->state;
3565 stli_brdstats.ioaddr = brdp->iobase;
3566 stli_brdstats.memaddr = brdp->paddr;
3567 stli_brdstats.nrpanels = brdp->nrpanels;
3568 stli_brdstats.nrports = brdp->nrports;
3569 for (i = 0; (i < brdp->nrpanels); i++) {
3570 stli_brdstats.panels[i].panel = i;
3571 stli_brdstats.panels[i].hwid = brdp->panelids[i];
3572 stli_brdstats.panels[i].nrports = brdp->panels[i];
3575 *((combrd_t *) data) = stli_brdstats;
3579 /*****************************************************************************/
3582 * Resolve the referenced port number into a port struct pointer.
3585 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr)
3590 if ((brdnr < 0) || (brdnr >= STL_MAXBRDS))
3591 return((stliport_t *) NULL);
3592 brdp = stli_brds[brdnr];
3593 if (brdp == (stlibrd_t *) NULL)
3594 return((stliport_t *) NULL);
3595 for (i = 0; (i < panelnr); i++)
3596 portnr += brdp->panels[i];
3597 if ((portnr < 0) || (portnr >= brdp->nrports))
3598 return((stliport_t *) NULL);
3599 return(brdp->ports[portnr]);
3602 /*****************************************************************************/
3605 * Return the port stats structure to user app. A NULL port struct
3606 * pointer passed in means that we need to find out from the app
3607 * what port to get stats for (used through board control device).
3610 static int stli_getportstats(stliport_t *portp, caddr_t data)
3615 if (portp == (stliport_t *) NULL) {
3616 stli_comstats = *((comstats_t *) data);
3617 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3618 stli_comstats.port);
3619 if (portp == (stliport_t *) NULL)
3623 brdp = stli_brds[portp->brdnr];
3624 if (brdp == (stlibrd_t *) NULL)
3627 if (brdp->state & BST_STARTED) {
3628 if ((rc = stli_cmdwait(brdp, portp, A_GETSTATS, &stli_cdkstats,
3629 sizeof(asystats_t), 1)) < 0)
3632 bzero(&stli_cdkstats, sizeof(asystats_t));
3635 stli_comstats.brd = portp->brdnr;
3636 stli_comstats.panel = portp->panelnr;
3637 stli_comstats.port = portp->portnr;
3638 stli_comstats.state = portp->state;
3639 /*stli_comstats.flags = portp->flags;*/
3640 stli_comstats.ttystate = portp->tty.t_state;
3641 stli_comstats.cflags = portp->tty.t_cflag;
3642 stli_comstats.iflags = portp->tty.t_iflag;
3643 stli_comstats.oflags = portp->tty.t_oflag;
3644 stli_comstats.lflags = portp->tty.t_lflag;
3646 stli_comstats.txtotal = stli_cdkstats.txchars;
3647 stli_comstats.rxtotal = stli_cdkstats.rxchars + stli_cdkstats.ringover;
3648 stli_comstats.txbuffered = stli_cdkstats.txringq;
3649 stli_comstats.rxbuffered = stli_cdkstats.rxringq;
3650 stli_comstats.rxoverrun = stli_cdkstats.overruns;
3651 stli_comstats.rxparity = stli_cdkstats.parity;
3652 stli_comstats.rxframing = stli_cdkstats.framing;
3653 stli_comstats.rxlost = stli_cdkstats.ringover + portp->rxlost;
3654 stli_comstats.rxbreaks = stli_cdkstats.rxbreaks;
3655 stli_comstats.txbreaks = stli_cdkstats.txbreaks;
3656 stli_comstats.txxon = stli_cdkstats.txstart;
3657 stli_comstats.txxoff = stli_cdkstats.txstop;
3658 stli_comstats.rxxon = stli_cdkstats.rxstart;
3659 stli_comstats.rxxoff = stli_cdkstats.rxstop;
3660 stli_comstats.rxrtsoff = stli_cdkstats.rtscnt / 2;
3661 stli_comstats.rxrtson = stli_cdkstats.rtscnt - stli_comstats.rxrtsoff;
3662 stli_comstats.modem = stli_cdkstats.dcdcnt;
3663 stli_comstats.hwid = stli_cdkstats.hwid;
3664 stli_comstats.signals = stli_mktiocm(stli_cdkstats.signals);
3666 *((comstats_t *) data) = stli_comstats;;
3670 /*****************************************************************************/
3673 * Clear the port stats structure. We also return it zeroed out...
3676 static int stli_clrportstats(stliport_t *portp, caddr_t data)
3681 if (portp == (stliport_t *) NULL) {
3682 stli_comstats = *((comstats_t *) data);
3683 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3684 stli_comstats.port);
3685 if (portp == (stliport_t *) NULL)
3689 brdp = stli_brds[portp->brdnr];
3690 if (brdp == (stlibrd_t *) NULL)
3693 if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, 0, 0, 0)) < 0)
3697 bzero(&stli_comstats, sizeof(comstats_t));
3698 stli_comstats.brd = portp->brdnr;
3699 stli_comstats.panel = portp->panelnr;
3700 stli_comstats.port = portp->portnr;
3702 *((comstats_t *) data) = stli_comstats;;
3706 /*****************************************************************************/
3709 * Code to handle an "staliomem" read and write operations. This device
3710 * is the contents of the board shared memory. It is used for down
3711 * loading the slave image (and debugging :-)
3714 STATIC int stli_memrw(dev_t dev, struct uio *uiop, int flag)
3718 int brdnr, size, n, error, x;
3721 printf("stli_memrw(dev=%x,uiop=%x,flag=%x)\n", (int) dev,
3725 brdnr = minor(dev) & 0x7;
3726 brdp = stli_brds[brdnr];
3727 if (brdp == (stlibrd_t *) NULL)
3729 if (brdp->state == 0)
3732 if (uiop->uio_offset >= brdp->memsize)
3736 size = brdp->memsize - uiop->uio_offset;
3741 memptr = (void *) EBRDGETMEMPTR(brdp, uiop->uio_offset);
3742 n = MIN(size, (brdp->pagesize -
3743 (((unsigned long) uiop->uio_offset) % brdp->pagesize)));
3744 error = uiomove(memptr, n, uiop);
3745 if ((uiop->uio_resid == 0) || error)
3754 /*****************************************************************************/
3757 * The "staliomem" device is also required to do some special operations
3758 * on the board. We need to be able to send an interrupt to the board,
3759 * reset it, and start/stop it.
3762 static int stli_memioctl(dev_t dev, unsigned long cmd, caddr_t data, int flag,
3769 printf("stli_memioctl(dev=%s,cmd=%lx,data=%p,flag=%x)\n",
3770 devtoname(dev), cmd, (void *) data, flag);
3774 * Handle board independant ioctls first.
3777 case COM_GETPORTSTATS:
3778 return(stli_getportstats((stliport_t *) NULL, data));
3780 case COM_CLRPORTSTATS:
3781 return(stli_clrportstats((stliport_t *) NULL, data));
3783 case COM_GETBRDSTATS:
3784 return(stli_getbrdstats(data));
3791 * Handle board dependant ioctls now.
3793 brdnr = minor(dev) & 0x7;
3794 brdp = stli_brds[brdnr];
3795 if (brdp == (stlibrd_t *) NULL)
3797 if (brdp->state == 0)
3807 rc = stli_startbrd(brdp);
3810 brdp->state &= ~BST_STARTED;
3813 brdp->state &= ~BST_STARTED;
3815 if (stli_shared == 0) {
3816 if (brdp->reenable != NULL)
3817 (* brdp->reenable)(brdp);
3820 case COM_GETPORTSTATS:
3821 rc = stli_getportstats((stliport_t *) NULL, data);
3823 case COM_CLRPORTSTATS:
3824 rc = stli_clrportstats((stliport_t *) NULL, data);
3826 case COM_GETBRDSTATS:
3827 rc = stli_getbrdstats(data);
3837 /*****************************************************************************/